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Subject: Re: from a watcher
From: Dan Allen (danallen46@XXX.XXX)
Date: Thu Oct 17 2002 - 21:57:25 EDT
On Thursday, October 17, 2002, at 06:52 PM, Dan Allen wrote:
>
> cos(c) = cos(a)*cos(b) + sin(a)*cos(b)cos(ab)
>
> I did it by memory! ;-)
Arrgggghhh! I did it by memory and of course I typed it in wrong!!
How embarrasing.
cos(c) = cos(a)*cos(b) + sin(a)*sin(b)*cos(ab)
is more like it.
That's why I like to get it programmed in a calculator, tested,
and then I can rely upon it rather than my fallible memory and hands.
Dan
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